CHARACTERISTICS OR MAIN TECHNICAL VARIABLES&colon;The machine takes the main materials like HDPE&comma;LLDPE and LDPE to manufacture shopping bags which are widely used for packing clothing&comma;shoes&comma;documents and so on&period;The machine adopts microcomputer PLCcontrol&comma;the liquid crystal touch screen actual display and a servomotor to fix the length&comma;photoelectric tracking and automatic air pressure to punching holes synchronously&period;